From 0408a8259e89ce97ee43d289cecf3eeece89ade9 Mon Sep 17 00:00:00 2001
From: Antonio Scandurra <me@as-cii.com>
Date: Thu, 9 Jun 2022 10:05:00 +0200
Subject: [PATCH] Add `ModelContext::observe_global`

---
 crates/gpui/src/app.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/crates/gpui/src/app.rs b/crates/gpui/src/app.rs
index 5def0fcf5073a0424674143ec8ce930e31fab848..3c04ea16966f597dee8fd7b00ab2e18f94edbd21 100644
--- a/crates/gpui/src/app.rs
+++ b/crates/gpui/src/app.rs
@@ -3120,6 +3120,19 @@ impl<'a, T: Entity> ModelContext<'a, T> {
         })
     }
 
+    pub fn observe_global<G, F>(&mut self, mut callback: F) -> Subscription
+    where
+        G: Any,
+        F: 'static + FnMut(&mut T, &mut ModelContext<T>),
+    {
+        let observer = self.weak_handle();
+        self.app.observe_global::<G, _>(move |cx| {
+            if let Some(observer) = observer.upgrade(cx) {
+                observer.update(cx, |observer, cx| callback(observer, cx));
+            }
+        })
+    }
+
     pub fn observe_release<S, F>(
         &mut self,
         handle: &ModelHandle<S>,